solve for x (2x-3/3-7x-2=x/3)
Answers
Answered by
0
Step-by-step explanation:
Given cubic equation is 2x
3
+7x
2
+2x−3=0
From observation, we get −1 is one root as
2(−1)
3
+7(−1)
2
+2(−1)−3=−2+7−2−3=0
Therefore, on dividing the given equation by (x+1) from synthetic division, we get
2x
3
+7x
2
+2x−3
⇒(x+1)(2x
2
+5x−3)=0
⇒(x+1)(x+3)(x−
2
1
)=0
⇒x=−1,−3,
2
1
Answered by
1
Answer:
x= -9/16
Step-by-step explanation:
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